四川省宜宾市1:400万土壤有效铁含量分布图(1980s)
收藏国家地球系统科学数据中心2019-06-19 更新2024-03-04 收录
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四川省宜宾市1:400万土壤有效铁含量分布图(1980s)
该图按土壤有效铁含量(ppm)将土壤归类为5种类型,分别是1:<2.50ppm;2:2.51-4.50ppm;3:4.51-10.0ppm;4:10.1-20.0ppm;5:>20.0ppm。
Soil Available Iron Content Distribution Map of Yibin City, Sichuan Province (1:4,000,000 Scale, 1980s)
This map classifies soils into 5 categories based on their available iron content (ppm), with the specific ranges as follows: 1: <2.50 ppm; 2: 2.51–4.50 ppm; 3: 4.51–10.0 ppm; 4: 10.1–20.0 ppm; 5: >20.0 ppm.
提供机构:
中国科学院南京土壤研究所
创建时间:
2019-06-19



